Add web/core/middleware.py

web/core/middleware.py

@@ -0,0 +1,20 @@
+import threading
+from django.utils.deprecation import MiddlewareMixin
+
+_local = threading.local()
+
+def get_current_username():
+    u = getattr(_local, "user", None)
+    if not u or not getattr(u, "is_authenticated", False):
+        return ""
+    return getattr(u, "username", "") or ""
+
+class CurrentUserMiddleware(MiddlewareMixin):
+    def process_request(self, request):
+        _local.user = getattr(request, "user", None)
+    def process_response(self, request, response):
+        _local.user = None
+        return response
+    def process_exception(self, request, exception):
+        _local.user = None
+        return None